Infrared frequency
volume
British pronunciation/ˌɪnfɹəɹˈɛd fɹˈiːkwənsi/
American pronunciation/ˌɪnfɹɚɹˈɛd fɹˈiːkwənsi/

"infrared frequency"的定义和意义

Infrared frequency
01

the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range

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